deps(misc): bump @storybook/builder-webpack5 from 6.5.15 to 7.4.6

Bumps [@storybook/builder-webpack5](https://github.com/storybookjs/storybook/tree/HEAD/code/builders/builder-webpack5) from 6.5.15 to 7.4.6.
- [Release notes](https://github.com/storybookjs/storybook/releases)
- [Changelog](https://github.com/storybookjs/storybook/blob/next/CHANGELOG.md)
- [Commits](https://github.com/storybookjs/storybook/commits/v7.4.6/code/builders/builder-webpack5)

---
updated-dependencies:
- dependency-name: "@storybook/builder-webpack5"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -66,7 +66,7 @@
     "@storybook/addon-knobs": "^6.4.0",
     "@storybook/addon-links": "^6.5.15",
     "@storybook/addon-postcss": "^2.0.0",
-    "@storybook/builder-webpack5": "^6.5.15",
+    "@storybook/builder-webpack5": "^7.4.6",
     "@storybook/ember": "6.5.14",
     "@storybook/ember-cli-storybook": "^0.6.0",
     "@storybook/manager-webpack5": "^6.5.15",